package day02;

public class day02标准练习 {
    public static void main(String[] args) {

        int a = 10;
        int b, c, d;
        b = 10;
        c = 20;
        d = 30;
        int g;
        g = 10;
        int h = g + 10;
        System.out.println(h);
        System.out.println(c / b);
        System.out.println(d + c + b);
        long k = 10000000000L;
        double l = 10;
        boolean m = true;
        boolean n = false;
        char o = '1';
        char p = '9';
        int q = (int) k;
        System.out.println(q);
        long r = h;
        System.out.println(r);

//        int i = 10000000000; 超出范围
//        long ii = 10000000000; 识别为int型 正确写法10000000000L


    }
}
